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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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# https://www.apache.org/licenses/LICENSE-2.0
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"""Draws the bottom middle point of a bounding box."""
from typing import Any, Dict
from peekingduck.pipeline.nodes.draw.utils.bbox import draw_pts
from peekingduck.pipeline.nodes.abstract_node import AbstractNode
[docs]class Node(AbstractNode):
"""The :mod:`draw.btm_midpoint` node uses :term:`bboxes` from the model
predictions to draw the bottom midpoint of each bbox as a dot onto the
image. For better understanding of the use case, refer to the
:doc:`Zone Counting use case </use_cases/zone_counting>`.
Inputs:
|img_data|
|btm_midpoint_data|
Outputs:
|none_output_data|
Configs:
None.
"""
def __init__(self, config: Dict[str, Any] = None, **kwargs: Any) -> None:
super().__init__(config, node_path=__name__, **kwargs)
def run(self, inputs: Dict[str, Any]) -> Dict[str, Any]:
"""Draws btm midpoint of bounding bboxes.
Args:
inputs (dict): Dictionary with keys "bboxes".
Returns:
outputs (dict): Empty dictionary.
"""
draw_pts(inputs["img"], inputs["btm_midpoint"])
return {}